Home / 701,107.60-1,051,661.40-449,165.20

Finding the Fourth Proportional to 701,107.60, 1,051,661.40 and 449,165.20

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Solution

The fourth proportional to 701,107.60, 1,051,661.40 and 449,165.20 is: 673,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,107.60 : 1,051,661.40 = 449,165.20 : x
  2. Step 2: Convert to fraction form
    701,107.60/1,051,661.40 = 449,165.20/x
  3. Step 3: Cross multiply
    701,107.60x = 1,051,661.40 × 449,165.20
  4. Step 4: Simplify right side
    701,107.60x = 472,369,703,063.28
  5. Step 5: Solve for x
    x = 472,369,703,063.28/701,107.60
  6. Step 6: Final answer
    x = 673,747.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.